Class: Mata

Inherits:
Object
  • Object
show all
Defined in:
lib/mata.rb,
lib/mata/agent.rb,
lib/mata/version.rb,
lib/mata/broadcaster.rb,
lib/mata/watch_tower.rb

Defined Under Namespace

Classes: Agent, Broadcaster, WatchTower

Constant Summary collapse

VERSION = 
"0.9.0"

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Mata

Returns a new instance of Mata.



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# File 'lib/mata.rb', line 11

def initialize(app, options = {})
  @app = app

  return if ENV["MATA_DISABLED"] == "true"

  @watch_tower = WatchTower.new(options)
  @broadcaster = Broadcaster.new
  @agent = Agent.new

  @watch_tower.on_change { |files| @broadcaster.broadcast_to_all(files) }

  at_exit { stand_down }
end

Instance Method Details

#call(environment) ⇒ Object 



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# File 'lib/mata.rb', line 25

def call(environment)
  request = Rack::Request.new(environment)

  case request.path
  when "/__mata/events"
    @broadcaster.establish_contact(environment)
  when "/__mata/client.js"
    @broadcaster.deliver_payload
  else
    @agent.insert(*@app.call(environment))
  end
end

#stand_down ⇒ Object 



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# File 'lib/mata.rb', line 38

def stand_down
  @watch_tower&.shutdown
  @broadcaster&.stand_down
end